fix url links

Author: tony

README.rst

@@ -156,11 +156,11 @@ powerful traversal features::
     Session($3 foo)
 
 .. _BSD: http://opensource.org/licenses/BSD-3-Clause
-.. _developing and testing: http://libtmux.git-pull.com/developing.html
+.. _developing and testing: http://libtmux.git-pull.com/en/latest/developing.html
 .. _tmuxp: https://github.com/tony/tmuxp
 .. _documentation: https://libtmux.git-pull.com/
 .. _API: https://libtmux.git-pull.com/api.html
-.. _architectural details: https://libtmux.git-pull.com/about.html
+.. _architectural details: https://libtmux.git-pull.com/en/latest/about.html
 .. _formats: http://man.openbsd.org/OpenBSD-5.9/man1/tmux.1#FORMATS
 .. _target: http://man.openbsd.org/OpenBSD-5.9/man1/tmux.1#COMMANDS